An image capturing apparatus is disclosed. An image capturing section captures an image of light and obtains image data. An image display section displays the image data obtained by the image capturing section with a predetermined number of pixels. A storage section stores the image data obtained by the image capturing section. An interface section is connectable to an external storage device. A control section causes the image data obtained by the image capturing section to be stored to the external storage device connected through the interface section, when the captured image data are stored to the external storage device, the image data whose number of pixel exceeds the predetermined number of pixels to be converted into image data having the predetermined number of pixels, and the converted image data to be stored to the storage section.